Docker compose Flask and Redis

pip install docker-compose

version: '3.8'
services:
  web:
    build: .
    ports:
    - "5001:5000"
    volumes:
    - .:/opt
    links:
    - redis
  redis:
    image: redis:6.0.8

FROM python:3.8

COPY requirements.txt /opt/
RUN pip3 install -r /opt/requirements.txt

WORKDIR /opt

ENV FLASK_APP=app
ENV FLASK_DEBUG=1
CMD  ["flask", "run", "--host", "0.0.0.0", "--port", "5000"]

docker-compose up

http://localhost:5001/

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Docker compose Flask and Redis